Explanation

• Optical Fiber Systems are utilized in Telecommunication Systems to transmit data as light signals through thin glass or plastic fibers.
• It enabling high-speed internet, voice, and data communications over long distances.

Last verified on 03-04-2026

Explanation

• To split windows or document panes into two in applications like Excel or Word, use the View > Window > Split menu option.
• This command divides the active document window into separate

Explanation

• In MS Excel, different functions are used to handle dates and times.
• To display the current date and time, the NOW() function is used.

Additional information:

• DATE() – Returns a date based on year, month, and day
• TODAY() – Returns today’s date only
• TIME() – Constructs a specific time from hours, minutes, and seconds

Last verified on 11-03-2026

Explanation

• In MS Word 2016, the Home Tab contains tools for text formatting and editing.
• Common options include Font, Font Color, and Styles.
• Columns is found under the Layout Tab, not Home Tab.

Last verified on 10-03-2026

Explanation

• AVERAGEIF calculates the average of cells that meet a specific condition.
• Formula: =AVERAGEIF(range, criteria, [average_range])
• Useful for conditional averaging in large datasets.

Last verified on 08-03-2026

Explanation

In a network with 25 computers, a full mesh topology requires the most extensive cabling. 

Mesh Topology: Every node is connected to every other node, creating 300 unique connections for 25 computers.

Last updated 15-feb-2026

Explanation

Explanation

A cache is the smallest and the fastest memory in the computer.

Cache memory is also called CPU memory.

It temporarily stores frequently used data for quick access by the processor.

Last updated 15-feb-2026

Explanation

In MS Word, the default alignment for a paragraph is Left (or Left-aligned)

This setting aligns text along the left margin, leaving the right edge ragged

Shortcut: Ctrl+L 

Last updated 15-feb-2026

Explanation

The shortcut key to insert a new slide in a PowerPoint presentation is Ctrl + M,

Ctrl + N shortcut key used to Create a new presentation document

Ctrl + S shortcut key used to save a presentation

**

Last updated 15-feb-2026